A.  Intelligent control by microcomputers and advanced machinery manufacturing.

B.  With intelligent control system,its various parameters can be flexibly adjusted.

C.  With ultra-low noise power unit,it is also simple and convenient to install.

D.  Round shape DC carbon brush motor and reduction gearbox,high torque.

E.  With self-locking function,it is safe and reliable,not necessary to fix the electric lock.

F.  Equipped with full-function remote control device.